US3470104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sorbent material and filter aid compositions and the process for the preparation thereof
Assignee: Individual
•
Filing: 1964-04-30
•
Granted: 1969-09-30
•
Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Lawrence Domas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:28
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/06; B; B01; B01J; B01J20/00; B01J20/02; B01J20/0203; B01J20/024; B01J20/0244; B01J20/0248; B01J20/0274; B01J20/0288; B01J20/04; B01J20/048; B01J20/06; B01J20/10; B01J20/12; B01J20/14; B01J20/28; B01J20/28002; B01J20/28004; B01J20/30; B01J20/3078; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3231; B01J20/3234; B01J20/3236; C07D413/00; C07D413/02; C07D413/06; C07D417/00; C07D417/02; C07D417/06; C07D499/00; B01J2220/00; B01J2220/40; B01J2220/42
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |